add string-or-symbol?

[lilypond.git] / scm / c++.scm

diff --git a/scm/c++.scm b/scm/c++.scm
index adc21cea2301769664b8cdc1cd20e78a0f09d2af..7069ca1a41e32e2b2e42fa59f58b0ee55f4ec7f5 100644 (file)
--- a/scm/c++.scm
+++ b/scm/c++.scm
@@ -27,6 +27,9 @@
 (define-public (boolean-or-symbol? x)
   (or (boolean? x) (symbol? x)))
 
+(define-public (string-or-symbol? x)
+  (or (string? x) (symbol? x)))
+
 (define-public (number-or-string? x)
   (or (number? x) (string? x)))